There are 7 bronze, 4 silver, and 1 gold trophy to collect.
Trophy Description Type A Bicycle Built for Two Rescued Doc from Kid Tannen Gold A Plausible Explanation Discovered the origin of the "new" DeLorean Bronze Back in Time Traveled back in time to rescue Doc Silver Deja Marty Perfectly repeated dialog while repeating Doc's temporal experiment Bronze Doc's Legacy Got Doc's Notebook back from Biff Bronze Fate in flux Heard about the curious fate of Marshall Strickland Bronze Fuelmaster Flawlessly mixed up a batch of Emmett's Rocket Fuel Bronze Grandpa Got Served Delivered the subpoeana to Arthur McFly Silver Hello, Young Friend Talked Emmett into completing the Rocket Drill Bronze Hi Bob! Namechecked BTTF Creators Bronze Jailbreak! Acquired Emmett's Rocket Drill Silver Junior Bootlegger Badge Managed to get 190-proof alcohol delivered to Emmett's Silver
Contributed By: Saikyo Mog.